History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

Blue rough diamond fetches $40 million

Petra Diamonds Ltd. sold a 39.3-carat blue gem for more than $40 million, making it one of[…]

39.34 carat blue diamond recovered
Petra finds 39-carat blue diamond at Cullinan mine

South Africa’s Petra Diamonds has found yet another big rock at its iconic Cullinan mine, a 39.34[…]

299.3-carat, type 11a, white gem-quality diamond
Petra sells 299 carat diamond for $12.18 million

Petra Diamonds has sold a 299.3 carat diamond recovered in January at its iconic Cullinan mine, in[…]

Petra Diamond’s Finsch mine in South Africa
Petra Diamonds’ investors back restructuring

Struggling Petra Diamonds (LON: PDL) said on Wednesday its investors have approved plans to restructure the business,[…]

A 20.08-carat Type IIb blue diamond recovered at Cullinan.
Petra to sell blue diamonds recovered at Cullinan

Petra Diamonds (LON: PDL) announced the launching of a special tender process for the Letlapa Tala Collection,[…]

adonis poroulis
Petra Diamonds founder steps down

South Africa’s Petra Diamonds is saying goodbye to Adonis Pouroulis, the company’s founder and chairman for 23 years.[…]

Petra blue rough diamond
Petra Diamonds H1 Production Up, but Revenue Down

Petra Diamonds Limited has announced that while its production for the six months ended December 2019 was[…]

Petra Rough Diamond
Artisanal small-scale diamond mining initiative launched

Petra Diamonds has launched an artisanal small-scale mining initiative in South Africa. This follows a process of[…]

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